Muna Alkhabbaz

4 Questions 25 Answers 0 Followers

Questions related from Muna Alkhabbaz

If I have a big sample size, is it acceptable to assume that data is normally distributed?

My sample size is around 400. I was told that based on central limit theorem, I can assume normality of my data. Is that correct?

25 March 2017 1,399 19 View

Does regression analysis change when adding extra independent variables if these turned to be insignificant?

If I'm running a regression with one dependent variable and 6 independent variables of which 4 came back as significant, then I added 5 more independent variables, and these turned out to be...

30 October 2016 5,785 12 View

What is a good r square value in regression analysis?

Knowing my research attempts to predict staff perception on quality improvement in public hospitals.

06 April 2015 8,784 31 View

How can one set a reference point (cut-off) to convert quantitative variables into binary variables to be used in logistic regression?

Knowing that I'm working on a quality improvement research in a healthcare setting.

02 November 2014 2,033 20 View